Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
nam thuoc » nam thuc, nam thu, nha thuoc
cao thuc » cao thuoc, bao thuc, can thuc
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
kv nang » ky nang, ki nang, ke nang
v nang » va nang, vu nang, van nang
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((v nang) or (kv nang)) x hoi. lieu va ((cao thuc) or (nam thuoc)) ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (kv nang)) x hoi. lieu va ((cao thuc) OR (nam thuoc)) ban thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) or (kv nang)) x hoi. lieu va ((cao thuc) or (nam thuoc)) ban thanh vai cua tre*.